glupteba | e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42

General

Target

e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Size

4.1MB
MD5

246ef63ee1a1b2f890fd93318a6129e2
SHA1

14cd7f019108c9849e5de80ce497c94e0d64ded6
SHA256

e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42
SHA512

406ff285e37dd0c2ccbbcbd83612d5932b382eeb401d85a35ddd345bdd8ae838dd1a510f5b550b686abdbe4de4d990a8942f63ac838ffbc4949234b47a89f8f8
SSDEEP

98304:L7TfzaiHcQ3VRXxSozCr0smNhcqJFcdmFhzqZJOwslPcviz2SB:L7Tfz133XxSozCLmNhIdmFgL20viHB

Score

10^/10

glupteba discovery dropper evasion loader persistence

Malware Config

Signatures

Glupteba
Glupteba is a modular loader written in Golang with various components.
loader dropper glupteba

Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs

Processes:

svchost.exe

description	pid	process	target process
PID 936 created 5004	936	svchost.exe	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
PID 936 created 2248	936	svchost.exe	csrss.exe
PID 936 created 2248	936	svchost.exe	csrss.exe
PID 936 created 2248	936	svchost.exe	csrss.exe

Executes dropped EXE 2 IoCs

Processes:

csrss.exeinjector.exe

pid process

2248 csrss.exe
2724 injector.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1400 netsh.exe

pid	process
2248	csrss.exe
2724	injector.exe

pid	process
1400	netsh.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	csrss.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Drops file in Windows directory 2 IoCs

Processes:

e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe

description	ioc	process
File opened for modification	C:\Windows\rss	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
File created	C:\Windows\rss\csrss.exe	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

1860 schtasks.exe
3676 schtasks.exe

pid	process
1860	schtasks.exe
3676	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	csrss.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time"	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exee41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exeinjector.execsrss.exe

pid	process
5004	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
5004	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
2496	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
2496	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
2496	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
2496	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
2496	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
2496	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
2496	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
2496	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
2496	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
2496	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2248	csrss.exe
2248	csrss.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2248	csrss.exe
2248	csrss.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe
2724	injector.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exesvchost.execsrss.exe

description	pid	process
Token: SeDebugPrivilege	5004	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Token: SeImpersonatePrivilege	5004	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
Token: SeTcbPrivilege	936	svchost.exe
Token: SeTcbPrivilege	936	svchost.exe
Token: SeBackupPrivilege	936	svchost.exe
Token: SeRestorePrivilege	936	svchost.exe
Token: SeBackupPrivilege	936	svchost.exe
Token: SeRestorePrivilege	936	svchost.exe
Token: SeBackupPrivilege	936	svchost.exe
Token: SeRestorePrivilege	936	svchost.exe
Token: SeBackupPrivilege	936	svchost.exe
Token: SeRestorePrivilege	936	svchost.exe
Token: SeSystemEnvironmentPrivilege	2248	csrss.exe
Token: SeBackupPrivilege	936	svchost.exe
Token: SeRestorePrivilege	936	svchost.exe
Token: SeBackupPrivilege	936	svchost.exe
Token: SeRestorePrivilege	936	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

svchost.exee41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.execmd.execsrss.exe

description	pid	process	target process
PID 936 wrote to memory of 2496	936	svchost.exe	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
PID 936 wrote to memory of 2496	936	svchost.exe	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
PID 936 wrote to memory of 2496	936	svchost.exe	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
PID 2496 wrote to memory of 2804	2496	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe	cmd.exe
PID 2496 wrote to memory of 2804	2496	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe	cmd.exe
PID 2804 wrote to memory of 1400	2804	cmd.exe	netsh.exe
PID 2804 wrote to memory of 1400	2804	cmd.exe	netsh.exe
PID 2496 wrote to memory of 2248	2496	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe	csrss.exe
PID 2496 wrote to memory of 2248	2496	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe	csrss.exe
PID 2496 wrote to memory of 2248	2496	e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe	csrss.exe
PID 936 wrote to memory of 1860	936	svchost.exe	schtasks.exe
PID 936 wrote to memory of 1860	936	svchost.exe	schtasks.exe
PID 936 wrote to memory of 1960	936	svchost.exe	schtasks.exe
PID 936 wrote to memory of 1960	936	svchost.exe	schtasks.exe
PID 2248 wrote to memory of 2724	2248	csrss.exe	injector.exe
PID 2248 wrote to memory of 2724	2248	csrss.exe	injector.exe
PID 936 wrote to memory of 3676	936	svchost.exe	schtasks.exe
PID 936 wrote to memory of 3676	936	svchost.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
"C:\Users\Admin\AppData\Local\Temp\e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5004

C:\Users\Admin\AppData\Local\Temp\e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe
"C:\Users\Admin\AppData\Local\Temp\e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42.exe"
2⤵
- Adds Run key to start application
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2496

C:\Windows\system32\cmd.exe
C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"
3⤵
- Suspicious use of WriteProcessMemory
PID:2804

C:\Windows\system32\netsh.exe
netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
4⤵
- Modifies Windows Firewall
PID:1400

C:\Windows\rss\csrss.exe
C:\Windows\rss\csrss.exe
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2248

C:\Windows\SYSTEM32\schtasks.exe
schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
4⤵
- Creates scheduled task(s)
PID:1860

C:\Windows\SYSTEM32\schtasks.exe
schtasks /delete /tn ScheduledUpdate /f
4⤵
PID:1960

C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2724

C:\Windows\SYSTEM32\schtasks.exe
schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
4⤵
- Creates scheduled task(s)
PID:3676

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s seclogon
1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:936

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1

T1102

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
Filesize
281KB

MD5
d98e33b66343e7c96158444127a117f6

SHA1
bb716c5509a2bf345c6c1152f6e3e1452d39d50d

SHA256
5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

SHA512
705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

Download Submit
C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
Filesize
281KB

MD5
d98e33b66343e7c96158444127a117f6

SHA1
bb716c5509a2bf345c6c1152f6e3e1452d39d50d

SHA256
5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

SHA512
705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

Download Submit
C:\Windows\rss\csrss.exe
Filesize
4.1MB

MD5
246ef63ee1a1b2f890fd93318a6129e2

SHA1
14cd7f019108c9849e5de80ce497c94e0d64ded6

SHA256
e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42

SHA512
406ff285e37dd0c2ccbbcbd83612d5932b382eeb401d85a35ddd345bdd8ae838dd1a510f5b550b686abdbe4de4d990a8942f63ac838ffbc4949234b47a89f8f8

Download Submit
C:\Windows\rss\csrss.exe
Filesize
4.1MB

MD5
246ef63ee1a1b2f890fd93318a6129e2

SHA1
14cd7f019108c9849e5de80ce497c94e0d64ded6

SHA256
e41c52a797ec62f8aec6b9ea034e021f4a982f6103925e830ab2be0c20495c42

SHA512
406ff285e37dd0c2ccbbcbd83612d5932b382eeb401d85a35ddd345bdd8ae838dd1a510f5b550b686abdbe4de4d990a8942f63ac838ffbc4949234b47a89f8f8

Download Submit
memory/1400-139-0x0000000000000000-mapping.dmp

Download
memory/1860-145-0x0000000000000000-mapping.dmp

Download
memory/1960-147-0x0000000000000000-mapping.dmp

Download
memory/2248-141-0x0000000000000000-mapping.dmp

Download
memory/2248-153-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/2248-148-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/2248-146-0x0000000005200000-0x00000000055E9000-memory.dmp

Filesize
3.9MB

Download
memory/2496-135-0x0000000000000000-mapping.dmp

Download
memory/2496-138-0x0000000004B89000-0x0000000004F72000-memory.dmp

Filesize
3.9MB

Download
memory/2496-140-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/2496-144-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/2724-149-0x0000000000000000-mapping.dmp

Download
memory/2804-137-0x0000000000000000-mapping.dmp

Download
memory/3676-152-0x0000000000000000-mapping.dmp

Download
memory/5004-136-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/5004-134-0x0000000000400000-0x0000000002F78000-memory.dmp

Filesize
43.5MB

Download
memory/5004-133-0x00000000051F0000-0x0000000005A67000-memory.dmp

Filesize
8.5MB

Download
memory/5004-132-0x0000000004DFB000-0x00000000051E4000-memory.dmp

Filesize
3.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads